		html {
			font-size: 12px;
		}
		
		body {
			background: #f9fafa;
			margin: 0px;
		}
		
		.container {
			background: white;
			margin-bottom: 10px;
			padding: 0px;
		}
		.top {
			margin-bottom: 15px;
			padding: 10px 0px;
			display: flex;
			flex-wrap: wrap;
			justify-content: space-between;
			align-items: center;
			background: #ebebeb;
		}
		
		.left a {
			display: flex;
			flex-wrap: wrap;
			justify-content: center;
			align-items: center;
		}
		
		.right a {
			display: flex;
			flex-wrap: wrap;
			justify-content: center;
			align-items: center;
		}
		
		.left a,
		.right a {
			color: black;
			text-decoration: none;
		}
		
		.top img {
			width: 3rem;
		}
		
		.top span {
			font-size: 1.3rem;
		}
		.center_top{
			display: flex;
			justify-content: space-between;
			padding: 0px 15px 10px;
			border-bottom:1px solid #DDDDDD ;
		}
		.center_top div:nth-child(1){
			color: #C1C1C1;
		}
		.center_top div:nth-child(2){
			color: red;
		}
		.center_chapter{
			margin-bottom: 40px;
		}
		.center_chapter a{
			padding: 8px 15px;
			border-bottom: 1px solid #DDDDDD;
			display: flex;
			justify-content: space-between;
			align-items: center;
			color: #282828;
			text-decoration: none;
		}
		.center_chapter a div{
			padding: 7px 0px;
			font-size: 1.3rem;
		}
		.center_chapter img{
			width: 1.5rem;
			height: 1.5rem;
		}
		.bottom{
			position: fixed;
			width: 100%;
			bottom: 0px;
			display: flex;
			justify-content: space-between;
			padding: 15px 30px;
			background: #ebebeb;
			
		}
		.bottom select{
			border: none;
			color: red;
			outline: none;
			font-size: 1.5rem;
		}
		.iconfont{
			color: #ff69b4;
			font-size: 24px !important;
		}
		@media (min-width: 768px) {
			.container {
				width: 750px;
			}
		}
